Home / 1,011,380.88-1,395,705.60-558,671.88

Finding the Fourth Proportional to 1,011,380.88, 1,395,705.60 and 558,671.88

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Solution

The fourth proportional to 1,011,380.88, 1,395,705.60 and 558,671.88 is: 770,967.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,380.88 : 1,395,705.60 = 558,671.88 : x
  2. Step 2: Convert to fraction form
    1,011,380.88/1,395,705.60 = 558,671.88/x
  3. Step 3: Cross multiply
    1,011,380.88x = 1,395,705.60 × 558,671.88
  4. Step 4: Simplify right side
    1,011,380.88x = 779,741,471,478.53
  5. Step 5: Solve for x
    x = 779,741,471,478.53/1,011,380.88
  6. Step 6: Final answer
    x = 770,967.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.